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Compact black desktop label printer with Hi-Lift cover open, showing roll holder and tear bar

Citizen

Citizen CL-E321XUBNNA 4" label printer 203 dpi USB LAN Serial

SKU CH-QR52-R62A6 MPN CL-E321XUBNNA

Prints 4-inch thermal transfer and direct thermal labels at 203 dpi and 8.00 inches per second with USB, LAN and Serial interfaces

  • Print TechnologyDirect Thermal/Thermal Transfer Printer
  • Printer TypeDesktop
  • Print Speed8.00" per second (200 mm/s)
  • Max Resolution(B&W)203 dpi
  • MemoryFlash (Non-Volatile Memory): 16 MB total, 4 MB available for
  • Barcode TypeUCC/EAN Composit Symb GS1-Databar QR Code PDF 417 CODABAR(NW
  • Prints up to 8.00 inches per second at 203 dpi resolution
  • Direct thermal and thermal transfer printing handles diverse label requirements
  • Triple interface with USB 2.0, RS-232 and 10/100 Ethernet connectivity
  • Hi-Lift mechanism opens 90 degrees for tool-free head and platen replacement
  • Compact 6.80 x 7.00 x 10.47 inch footprint fits tight workspaces

Compact 4-inch thermal printer for logistics

The Citizen CL-E321XUBNNA is a desktop barcode and label printer built for warehouse, logistics and healthcare environments. It supports both direct thermal and thermal transfer printing at 203 dpi. The unit handles media widths from 1.00" to 4.00" and roll diameters up to 5.00" on a 1.00" core. Triple connectivity with USB 2.0, RS-232 and 10/100 Ethernet fits existing infrastructure.

Sustained 8 ips output with tool-free maintenance

At 8.00 inches per second the printer maintains throughput for continuous label batches rather than short bursts. The Hi-Lift mechanism opens 90 degrees for drop-in media loading and quick ribbon changes. Both print head and platen can be swapped without tools in roughly one minute. An adjustable sensor handles gap and black mark detection to keep alignment stable over long runs.

10/100 Ethernet limits and emulation scope

The 10/100 LAN port caps network throughput at 100 Mbps, so high-volume print servers may saturate the link before the engine reaches 200 mm/s. Onboard memory provides 16 MB flash and 32 MB RAM with 4 MB user-available each, restricting stored label formats and fonts. Supported emulations cover UCC/EAN, GS1-Databar, QR Code, PDF 417 and common linear symbologies but do not extend to newer 2D standards.

Highlights

  • Prints up to 8.00 inches per second at 203 dpi resolution
  • Direct thermal and thermal transfer printing handles diverse label requirements
  • Triple interface with USB 2.0, RS-232 and 10/100 Ethernet connectivity
  • Hi-Lift mechanism opens 90 degrees for tool-free head and platen replacement
  • Compact 6.80 x 7.00 x 10.47 inch footprint fits tight workspaces

Specifications

BrandCITIZEN
Model(CL-E321) CL-E321XUBNNA
Print TechnologyDirect Thermal/Thermal Transfer Printer
Printer TypeDesktop
Print Speed8.00" per second (200 mm/s)
Max Resolution(B&W)203 dpi
MemoryFlash (Non-Volatile Memory): 16 MB total, 4 MB available for user
RAM (standard Memory): 32 MB total, 4 MB available for user
Barcode TypeUCC/EAN
Composit Symb
GS1-Databar
QR Code
PDF 417
CODABAR(NW-7)
CODE128
CODE93
CODE39
Codabar, ITF
EAN-8(JAN-8),
EAN-13 (JAN-13)
UPC-E
UPC-A
Code3of9
CutterTear Bar
Media sizes supportedMedia Width (min to max): 1.00" to 4.00" (25.00 to 118.00 mm)
Media Thickness (min to max): 63.50 to 190.00 micrometer
Print SizePrint Width (maximum): 4.00" (104.00 mm)
InterfaceTriple interface USB 2.0, RS-232 and 10/100 Ethernet
FeaturesRoll Size (max), Core Size: Inside diameter 5.00" (125.00 mm) Core size 1.00" (25.00 mm)
Case: Hi-Open industrial ABS case with safe close
Control panel: One LED, Control key: FEED
Emulations (Languages):
Cross-Emulation - automatic switching between Zebra ZPL-II and Datamax I-Class, DMX400
Zebra ZPL-II
Datamax I-Class & DMX400
BASIC interpreter for data stream processing
Citizen Original Commands
EMC and safety standards: CE, TUV, UL, FCC, VCCI
Number of Cuts: 300,000 cuts on media 0.06 - 0.15 mm; 100,000 cuts 0.15 - 0.25 mm
Dimensions6.80" x 7.00" x 10.47"
Weight5.73 lbs.
Shipping weight3.97 kg
Package size381 × 286 × 279 mm

Questions about this item

How loud is the CL-E321XUBNNA when it runs continuously through a shift?

The printer uses direct thermal and thermal transfer technology with no cooling fan, so operation stays quiet even at the full 8.00 inches per second print speed.

Which cables and media do I need on hand before the CL-E321XUBNNA can start printing?

Connect with a USB 2.0, RS-232 or Ethernet cable and load labels 1.00 to 4.00 inches wide on a 1.00 inch core roll up to 5.00 inches in diameter.

Will the CL-E321XUBNNA replace my older 203 dpi desktop printer that uses ZPL or EPL commands?

Yes — the Cross-Emulation firmware interprets ZPL II, EPL and other common languages so existing label formats print without rewriting.

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